<template>
    <div>
        <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
        <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>

        <el-card>
            <el-row :gutter="20">
                <el-col :span="10">
                <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                    <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                </el-input>
                </el-col>
                <el-col :span="4">
                <el-button type="primary" @click="goAddPage">添加商品</el-button>
                </el-col>
            </el-row>
            <!-- 商品列表区 -->
            <el-table :data="goodsList" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name" ></el-table-column>
                <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="140px">
                  <!-- 调用是时间处理过滤器 -->
                  <template slot-scope="scope">{{scope.row.add_time | dateFormat}}</template>
                </el-table-column>
                <el-table-column label="操作" width="130px">
                    <template slot-scope="scope">
                            <el-button size="mini" type="primary" icon="el-icon-edit" ></el-button>
                                    <el-popconfirm @onConfirm="removeGoods(scope.row.goods_id)"
                                      title="确定删除该商品吗？">
                                      <el-button size="mini" type="danger" icon="el-icon-delete" slot="reference"></el-button>
                                    </el-popconfirm>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页 -->
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[2, 5, 10, 50, 100]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total"
            ></el-pagination>
        </el-card>
    </div>
</template>
<script>
export default {
  data () {
    return {
      // 查询表单参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      //   商品列表数据
      goodsList: [],
      total: 0
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) return this.$message.error('获取商品列表失败')
      this.$message.success('获取商品列表成功')
      this.goodsList = res.data.goods
      // console.log(res.data)
      this.total = res.data.total
    },
    // 监听pagesize
    handleSizeChange (newsize) {
      // console.log(newsize)
      this.queryInfo.pagesize = newsize
      this.getGoodsList()
    },
    // 监听页码值改变
    handleCurrentChange (newpage) {
      // console.log(newpage)
      this.queryInfo.pagenum = newpage
      this.getGoodsList()
    },
    // 跳转至添加商品页
    goAddPage () {
      this.$router.push('/goods/add')
    },
    // 删除商品
    async removeGoods (id) {
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) return this.$message.error('删除商品失败')
      // this.$message.success('删除商品成功')
      this.getGoodsList()
    }
  }
}
</script>
<style lang="less" scoped>
.el-button{
    margin-right: 10px;
}
</style>
